<template>
  <div>
    <!-- 面包屑导航区域 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/welcome' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>用户管理</el-breadcrumb-item>
      <el-breadcrumb-item>用户列表</el-breadcrumb-item>
    </el-breadcrumb>

    <!-- 卡片视图区域 -->
    <el-card>
      <!-- 搜索与添加区域 -->
      <el-row :gutter="20">
        <el-col :span="8">
          <el-input
            placeholder="请输入内容"
            v-model="queryInfo.query"
            clearable
            @clear="getUserList"
          >
            <el-button
              slot="append"
              icon="el-icon-search"
              @click="getUserList"
            ></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="addDialogVisible = true"
            >添加用户</el-button
          >
        </el-col>
      </el-row>
      <!-- 用户列表区域 -->
      <el-table :data="users" border stripe>
        <el-table-column type="index" label="#"></el-table-column>
        <el-table-column label="姓名" prop="username"></el-table-column>
        <el-table-column label="邮箱" prop="email"></el-table-column>
        <el-table-column label="电话" prop="mobile"></el-table-column>
        <el-table-column label="角色" prop="role_name"></el-table-column>
        <el-table-column label="状态" prop="mg_state">
          <template slot-scope="scope">
            <el-switch
              v-model="scope.row.mg_state"
              @change="userStateChanged(scope.row)"
            ></el-switch>
          </template>
        </el-table-column>
        <el-table-column label="操作" width="180px">
          <template slot-scope="scope">
            <!-- 修改按钮 -->
            <el-button
              type="primary"
              icon="el-icon-edit"
              size="mini"
              @click="showEdit(scope.row.id)"
            ></el-button>
            <!-- 删除按钮 -->
            <el-button
              type="danger"
              icon="el-icon-delete"
              size="mini"
              @click="userDelete(scope.row.id)"
            ></el-button>
            <!-- 分配角色按钮 -->
            <el-tooltip
              class="item"
              effect="dark"
              content="分配角色"
              placement="top-end"
              :enterable="false"
            >
              <el-button
                type="warning"
                icon="el-icon-setting"
                size="mini"
                @click="setRole(scope.row)"
              ></el-button>
            </el-tooltip>
          </template>
        </el-table-column>
      </el-table>
      <!-- 分页区域 -->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[1, 2, 5, 10]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
      >
      </el-pagination>
    </el-card>
    <!-- 添加用户的对话框 -->
    <el-dialog
      title="添加用户"
      :visible.sync="addDialogVisible"
      width="50%"
      @close="addDialogClosed"
    >
      <!-- 内容主体区域 -->
      <!-- model是添加用户的表单数据 rules表单验证方式 -->
      <el-form
        :model="addForm"
        :rules="addFormRules"
        ref="addFormRef"
        label-width="70px"
      >
        <el-form-item label="用户名" prop="username">
          <el-input v-model="addForm.username"></el-input>
        </el-form-item>
        <el-form-item label="密码" prop="password">
          <el-input v-model="addForm.password"></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="addForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机" prop="mobile">
          <el-input v-model="addForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <!-- 底部按钮区域 -->
      <span slot="footer" class="dialog-footer">
        <el-button @click="addDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="addUser">确 定</el-button>
      </span>
    </el-dialog>
    <!-- 修改用户的对话框 -->
    <el-dialog
      @close="editDialogClosed"
      title="修改用户"
      :visible.sync="editDialog"
      width="50%"
    >
      <!-- 内容主体区域 -->
      <!-- model是添加用户的表单数据 rules表单验证方式 -->
      <el-form
        :model="editForm"
        :rules="editFormRules"
        ref="editFormRef"
        label-width="70px"
      >
        <el-form-item label="用户名">
          <el-input v-model="editForm.username" disabled></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="editForm.email"></el-input>
        </el-form-item>
        <el-form-item label="电话" prop="mobile">
          <el-input v-model="editForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <!-- 底部按钮区域 -->
      <span slot="footer" class="dialog-footer">
        <el-button @click="editDialog = false">取 消</el-button>
        <el-button type="primary" @click="editUser">确 定</el-button>
      </span>
    </el-dialog>
    <!-- 分配角色的对话框 -->
    <el-dialog
      title="分配角色"
      :visible.sync="setRoleDialogVisible"
      width="50%"
      @close="setRoleDialogClosed"
    >
      <div>
        <p>当前的用户:{{ userInfo.username }}</p>
        <p>当前的角色:{{ userInfo.role_name }}</p>
        <p>
          分配新角色:
          <el-select v-model="selectRoleId" placeholder="请选择">
            <el-option
              v-for="item in rolesList"
              :key="item.id"
              :label="item.roleName"
              :value="item.id"
            >
            </el-option>
          </el-select>
        </p>
      </div>
      <span slot="footer" class="dialog-footer">
        <el-button @click="setRoleDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="saveRoleInfo"
          >确 定</el-button
        >
      </span>
    </el-dialog>
  </div>
</template>
<script>
export default {
  data() {
    //验证邮箱
    var checkEmail = (eule, value, cb) => {
      //验证邮箱的正则表达式
      const regEmail = /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+(\.[a-zA-Z0-9_-])+/;
      if (regEmail.test(value)) {
        // 合法邮箱
        return cb();
      }
      cb(new Error("请输入合法的邮箱"));
    };
    //验证手机号
    var checkMobile = (eule, value, cb) => {
      //   验证手机号的正则表达式
      const regMobile = /^(0|86|17951)?(13[0-9]|15[0123456789]|17[678]|18[0-9]|14[57])[0-9]{8}$/;
      if (regMobile.test(value)) {
        // 合法邮箱
        return cb();
      }
      cb(new Error("请输入合法的手机号码"));
    };
    return {
      //获取用户列表的参数对象
      queryInfo: {
        query: "",
        pagenum: 1,
        pagesize: 2,
      },
      users: [],
      total: 0,
      //控制添加用户对话框的显示与隐藏
      addDialogVisible: false,
      //控制修改用户对话框的显示与隐藏
      editDialog: false,
      //查询到的用户信息对象
      editForm: {},
      //添加用户的表单数据
      addForm: {
        username: "",
        password: "",
        email: "",
        mobile: "",
      },
      //添加表单的验证规则对象
      addFormRules: {
        username: [
          { required: true, message: "请输入用户名", trigger: "blur" },
          { min: 3, max: 10, message: "用户名的长度在3到10位之间" },
        ],
        password: [
          { required: true, message: "请输入密码", trigger: "blur" },
          { min: 6, max: 15, message: "用户名的长度在6到15位之间" },
        ],
        email: [
          { required: true, message: "请输入邮箱", trigger: "blur" },
          { validator: checkEmail },
        ],
        mobile: [
          { required: true, message: "请输入手机号码", trigger: "blur" },
          { validator: checkMobile },
        ],
      },
      //修改表单的验证规则对象
      editFormRules: {
        email: [
          { required: true, message: "请输入邮箱", trigger: "blur" },
          { validator: checkEmail },
        ],
        mobile: [
          { required: true, message: "请输入手机号码", trigger: "blur" },
          { validator: checkMobile },
        ],
      },
      //控制分配角色对话框的显示和隐藏
      setRoleDialogVisible: false,
      //需要被分配角色的用户信息
      userInfo: {},
      //所有角色的数据列表
      rolesList: [],
      //已选中的角色id值
      selectRoleId:""
    };
  },
  created() {
    this.getUserList();
  },
  methods: {
    getUserList() {
      this.axios.get("users", { params: this.queryInfo }).then((res) => {
        if (res.data.meta.status !== 200)
          return this.$message.error("获取用户列表失败！");
        // console.log(res);
        this.users = res.data.data.users;
        this.total = res.data.data.total;
      });
    },
    // 监听pagesize改变的事件
    handleSizeChange(newSize) {
      // console.log(newSize);
      this.queryInfo.pagesize = newSize;
      this.getUserList();
    },
    //监听 页码值 改变的事件
    handleCurrentChange(newPage) {
      // console.log(newPage);
      this.queryInfo.pagenum = newPage;
      this.getUserList();
    },
    userStateChanged(userinfo) {
      // console.log(userinfo);
      this.axios
        .put(`users/${userinfo.id}/state/${userinfo.mg_state}`)
        .then((res) => {
          // console.log(res);
          if (res.data.meta.status !== 200) {
            //失败后 保证页面的按钮没有变化
            userinfo.mg_state = !userinfo.mg_state;
            return this.$message.error("用户状态更新失败");
          }
          this.$message.success("更新用户状态成功");
        });
    },
    //监听添加用户对话框关闭事件
    addDialogClosed() {
      //表单重置
      this.$refs.addFormRef.resetFields();
    },
    addUser() {
      //表单预校验
      this.$refs.addFormRef.validate((valid) => {
        if (!valid) return;
        //可以发起添加用户的网络请求
        this.axios.post("users", this.addForm).then((res) => {
          // console.log(res);
          if (res.data.meta.status !== 201)
            return this.$message.error("添加用户失败");
          this.$message.success("添加用户成功");
          //隐藏添加用户的对话框
          this.addDialogVisible = false;
          this.getUserList();
        });
      });
    },
    //展示用户编辑的对话框
    showEdit(id) {
      // console.log(id)
      this.axios.get("users/" + id).then((res) => {
        // console.log(res);
        if (res.data.meta.status !== 200) {
          return this.$message.error("查询用户失败");
        }
        this.editForm = res.data.data;
        this.editDialog = true;
      });
    },
    //修改表单关闭的重置操作
    editDialogClosed() {
      this.$refs.editFormRef.resetFields();
    },
    //修改表单数据
    editUser() {
      //表单预校验
      this.$refs.editFormRef.validate((valid) => {
        if (!valid) return;
        //  发起修改用户信息的请求
        this.axios
          .put("users/" + this.editForm.id, {
            email: this.editForm.email,
            mobile: this.editForm.mobile,
          })
          .then((res) => {
            // console.log(res);
            if (res.data.meta.status !== 200) {
              return this.$message.error("修改用户失败");
            }
            this.$message.success("修改数据成功");
            this.editDialog = false;
            this.getUserList();
          });
      });
    },
    // 删除用户
    userDelete(id) {
      this.$confirm("此操作将永久删除该用户, 是否继续?", "提示", {
        confirmButtonText: "确定",
        cancelButtonText: "取消",
        type: "warning",
      })
        .then(() => {
          this.axios.delete("users/" + id).then((res) => {
            if (res.data.meta.status !== 200) {
              this.$message.error("删除用户失败");
            }
            this.$message.success("删除用户成功");
            this.getUserList();
          });

          this.$message({
            type: "success",
            message: "删除成功!",
          });
        })
        .catch(() => {
          this.$message({
            type: "info",
            message: "已取消删除",
          });
        });
    },
    //展示分配角色的对话框
    setRole(userInfo) {
      this.userInfo = userInfo;
      //展示对话框之前，获取所有的角色列表
      this.axios.get("roles").then((res) => {
        if (res.data.meta.status !== 200) {
          this.$message.error("获取角色列表失败");
        }
        this.rolesList = res.data.data;
        // console.log(res);
      });
      this.setRoleDialogVisible = true;
    },
    //点击按钮 分配角色
    saveRoleInfo(){
      console.log(this.selectRoleId);
      if(!this.selectRoleId){
        return this.$message.error('请选择要分配的角色')
      }
      this.axios.put(`users/${this.userInfo.id}/role`,{rid:this.selectRoleId})
        .then(res=>{
        if(res.data.meta.status!==200){
          return this.$message.error('更新用户权限失败')
        }
          this.$message.success('更新角色成功')
          this.getUserList();
          this.setRoleDialogVisible=false
        })
    },
    //监听角色对话框的事件
    setRoleDialogClosed(){
      this.selectRoleId=''
      this.userInfo={}
    }
  },
};
</script>
<style>
</style>